[Vuejs]-How to use Vue-CLI-service serve on HTTP-2?

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Vue CLI’s devServer configuration is passed to the underlying Webpack, so you could set devServer.http2=true to enable HTTP2. Note that devServer.https=true is also needed for Vue CLI to use HTTPS (required for HTTP2 to work):

// vue.config.js
module.exports = {
  devServer: {
    https: true,
    http2: true,
  }
}

Despite Webpack’s deprecation warnings for both the options above, this configuration actually works for the current version of Webpack (version 5.65.0) used by Vue CLI 5.0.0-rc.1. Switching to devServer.server=spdy without enabling devServer.https does not work.

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